Employee Benefit Plans - Change in Projected Benefit Obligation, Plan Assets and Net Funded Status (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Jun. 30, 2013	Jun. 30, 2011	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Farmer Brothers Plan	Jun. 30, 2012 Farmer Brothers Plan	Jun. 30, 2013 Brewmatic Plan	Jun. 30, 2012 Brewmatic Plan	Jun. 30, 2013 Hourly Employees' Plan	Jun. 30, 2012 Hourly Employees' Plan	Jun. 30, 2013 Postretirement Benefits Other Than Pension	Jun. 30, 2012 Postretirement Benefits Other Than Pension	Jun. 30, 2011 Postretirement Benefits Other Than Pension
Change in projected benefit
Benefit obligation at the beginning of the year					$ 124,828	$ 107,071	$ 4,022	$ 3,662	$ 1,520	$ 1,055	$ 23,325	$ 19,957
Service cost					0	0	59	39	418	456	1,972	1,817	1,617
Interest cost					5,550	5,846	176	197	69	59	969	1,100	1,496
Plan participants contributions					0	81	0	0	0	0	729	665
Amendments			0	0
Actuarial Gain/Loss					1,333	17,066	(24)	416	56	(38)	(8,520)	1,419
Benefits paid					(5,506)	(5,236)	(287)	(292)	(7)	(12)	(1,774)	(1,633)
Effect of Curtailments	(34)	(1,500)			0	0	0	0	0	0
Benefit obligation at the end of the year					126,205	124,828	3,946	4,022	2,056	1,520	16,701	23,325	19,957
Change in plan assets
Fair value of plan assets at the beginning of the year					82,110	80,448	2,718	2,871	1,013	421	0	0
Actual return on plan assets					10,145	246	322	(25)	125	(4)	0	0
Employer contributions					1,348	6,571	310	164	117	608	1,045	968
Plan participants contributions					0	81	0	0	0	0	729	665
Benefits paid					(5,506)	(5,236)	(287)	(292)	(7)	(12)	(1,774)	(1,633)
Fair value of plan assets at the ending of the year					88,097	82,110	3,063	2,718	1,248	1,013	0	0	0
Funded status at end of year (underfunded)/overfunded					(38,108)	(42,718)	(883)	(1,304)	(808)	(507)	(16,701)	(23,325)
Amounts recognized in balance sheet
Noncurrent assets					0	0	0	0	0	0	0	0
Current liabilities	(347)		(347)	(686)	0	0	0	0	0	0	625	799
Noncurrent liabilities					(38,108)	(42,718)	(883)	(1,304)	(808)	(507)	16,076	22,526
Amounts Recognized in Balance Sheet					38,108	42,718	883	1,304	808	507	(16,701)	(23,325)
Amounts recognized in balance sheet
Total net (gain) loss					44,841	48,720	1,878	2,154	108	90
Transition (asset) obligation					0	0	0	0	0	0
Prior service cost (credit)					0	0	0	53	0	0
Total accumulated OCI (not adjusted for applicable tax)					44,841	48,720	1,878	2,207	108	90
Total net (gain) loss											(10,131)	(1,594)
Transition (asset) obligation											0	0
Prior service cost (credit)											(17,604)	(19,361)
Total accumulated OCI (not adjusted for applicable tax)											$ (27,735)	$ (20,955)
Weighted average assumptions used to determine benefit obligations
Discount rate					4.50%	4.55%	4.50%	4.55%	4.50%	4.55%

The pretax total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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After tax total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s).

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After tax net amount of gain (loss) that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases (decreases) in other comprehensive income as they arise.

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Amount related to after tax cost of benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation, which has not yet been recognized as components of net periodic benefit cost.

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After tax amount of transition assets (obligations), as of the date FAS 87 or 106 was initially applied, that has not yet been recognized as a component of net periodic benefit cost.

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The difference between fair value of plan assets at the end of the period and the fair value at the beginning of the period, adjusted for contributions and payments of benefits during the period, and after adjusting for taxes and other expenses, as applicable.

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Amount of gain (loss) from a decision to temporarily deviate from the substantive plan, or from a change in benefit obligation or plan asset value from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover or salary scale.

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The aggregate net amount recognized in the balance sheet associated with the defined benefit plan(s). Will normally be the same as the Defined Benefit Plan, Funded Status of Plan, Total.

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Before tax amount, net of reclassification adjustments, of the (increase) decrease in the value of the projected benefit obligation and the increase (decrease) in the value of the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost.

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Before tax amount, net of reclassification adjustments, of the benefit improvement costs resulting from a plan amendment that occurred that has not been recognized in net periodic benefit cost.

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The amount for overfunded plans recognized in the balance sheet as a noncurrent asset associated with a defined benefit pension plan or other postretirement defined benefit plan.

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The interest rate used to adjust for the time value of money for the plan.

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1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date.

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The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets.

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The increase in the fair value of plan assets from contributions made by the employer.

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The amount of contributions made by plan participants. This item represents a periodic increase to the plan obligation and an increase to plan assets.

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The amount of decrease that is related to an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.

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Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets.

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The funded status is measured as the difference between the fair value of plan assets and the benefit obligation. Will normally be the same as the net Defined Benefit Plan, Amounts Recognized in Balance Sheet, Total.

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The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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